CN213766844U

CN213766844U - Novel quick die change of EVA foaming post forming machine device

Info

Publication number: CN213766844U
Application number: CN202022451253.4U
Authority: CN
Inventors: 黄宝给
Original assignee: Jinjiang Hengyu Machinery Manufacturing Co ltd
Current assignee: Jinjiang Hengyu Machinery Manufacturing Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-23
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to the technical field of EVA foaming secondary forming machines, in particular to a novel rapid die changing device of an EVA foaming secondary forming machine, which comprises an upper die fixing base, a lower die fixing base and a locking device, wherein two groups of locking devices are respectively arranged at the lower end of the upper die fixing base and the two sides of the upper end of the lower die fixing base, the locking device comprises bolts, anti-slip strips and bolt grooves, a plurality of groups of anti-slip strips are arranged at equal intervals at the bottom of the bolt grooves, the bolts are arranged in the bolt grooves, an upper die is fixedly arranged at the middle part of the lower end of the upper die fixing base, three groups of positioning column grooves are arranged at equal intervals near a base plane and a back plane at the lower end of the upper die, a lower die is fixedly arranged at the middle part of the upper end of the lower die fixing base, three groups of positioning columns are arranged at equal intervals near the base plane and the back plane at the upper end of the lower die, the lower ends of the positioning columns are provided with fixed thread strips, the whole effect is good, and stability and practicality are higher, have certain spreading value.

Description

Novel quick die change of EVA foaming post forming machine device

Technical Field

The utility model relates to a EVA foaming post forming machine technical field specifically is a novel EVA foaming post forming machine's quick retooling device.

Background

EVA: in the fields of chemistry and organic chemical industry, EVA refers to an ethylene-vinyl acetate copolymer and a rubber-plastic foam material prepared from the ethylene-vinyl acetate copolymer, and has a molecular formula of (C2H4) x (C4H6O2) y, wherein the EVA is solid at normal temperature, is heated and melted to a certain degree to become a liquid capable of flowing and having a certain viscosity, and an EVA rubber-plastic product is a novel environment-friendly plastic foam material, has the advantages of good buffering, shock resistance, heat insulation, moisture resistance, chemical corrosion resistance and the like, and is non-toxic and non-absorbent.

The EVA foaming secondary forming machine takes out a product subjected to primary foaming forming and loads the product into a mold to carry out secondary heating under normal pressure, so that a foaming agent is fully decomposed, and after cooling and shaping, the mold is fixed by bolts in the secondary foaming process, the mold is inconvenient to replace, the operation consumes manpower, and therefore a novel rapid mold changing device of the EVA foaming secondary forming machine is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel EVA foaming post forming machine's quick retooling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel rapid die changing device of an EVA foaming secondary forming machine comprises an upper die fixing base, a lower die fixing base and locking devices, wherein two groups of locking devices are arranged on the lower end of the upper die fixing base and two sides of the upper end of the lower die fixing base respectively, each locking device comprises a bolt, an anti-slip strip and a bolt groove, a plurality of groups of anti-slip strips are arranged at the bottom of the bolt groove at equal intervals, each bolt groove is internally provided with a bolt, an upper die is fixedly arranged at the middle of the lower end of the upper die fixing base, three groups of positioning column grooves are arranged at the lower end of the upper die, close to a base plane and the back plane at equal intervals, a lower die is fixedly arranged at the middle of the upper end of the lower die fixing base, three groups of positioning columns are arranged at the upper end of the lower die, close to the base plane and the back plane at equal intervals, fixing thread strips are arranged at the lower ends of the positioning columns, three groups of limiting blocks are arranged at the base planes, close to the upper die and the lower die, and the back plane at the upper end of the upper die fixing base and the lower die, go up mould upper end and bed die lower extreme and be close to stopper department equidistant three group's stopper fixed slots of having seted up, go up mould upper end and bed die lower extreme center department and have all seted up the telescopic link mounting groove, the inside equal fixed mounting of telescopic link mounting groove has the telescopic link, the telescopic link passes the equal fixed mounting of one end of mould fixed baseplate and bed die fixed baseplate and has telescopic cylinder, go up mould and bed die both sides and all seted up two sets of bolt fixed slots.

Preferably, the upper die, the lower die, the upper die fixing base and the lower die fixing base are connected in a sleeved mode through limiting block fixing grooves and limiting blocks.

Preferably, the upper die, the lower die and the locking device are connected in a plugging manner through a bolt fixing groove and a bolt.

Preferably, the positioning column and the lower die are in screwed connection through a fixed thread strip.

Preferably, the telescopic cylinder type is an SDA40 thin cylinder, and the telescopic cylinder is connected with the upper die fixing base and the lower die fixing base through bolts.

Preferably, the upper die, the lower die and the telescopic cylinder are in threaded connection through telescopic rods.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the locking device who sets up, because traditional mould adopts the bolt fastening, the mould is changed comparatively inconveniently, and locking device can be with last mould, the effectual fixing of bed die is in last mould fixed baseplate, bed die fixed baseplate, reduces the use of bolt, and when last mould, bed die need be changed, can directly open the bolt, and the use of bolt is avoided in the flexible cylinder of deuterogamying and telescopic link motion, the effectual efficiency that improves the change to convenient quick retooling.

2. The utility model discloses in, through the reference column groove, reference column, stopper and the stopper fixed slot that set up, when changing mould, bed die, the accuracy of the location when needing to guarantee mould, bed die installation, the accuracy of the location when stopper and stopper fixed slot can improve mould, bed die installation, the design of reference column groove and reference column conveniently observes the precision of mould, bed die pressfitting, the effectual precision that improves the mould pressfitting.

3. The utility model discloses in, through the telescopic cylinder and the telescopic link that set up, go up the mould, through telescopic link threaded connection between bed die and the telescopic cylinder, when locking device opened, the extension motion of the telescopic link of accessible control telescopic cylinder to with last mould, bed die follow last mould fixed baseplate, lower mould fixed baseplate in push out, make things convenient for operating personnel to go up mould, bed die follow the telescopic link and unscrew, improved the security that last mould, bed die changed, thereby improved the efficiency of changing.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention;

FIG. 2 is a bottom view of the upper mold of the present invention;

fig. 3 is a perspective structure view of the lower mold of the present invention.

In the figure: 1-upper die fixing base, 2-bolt, 3-limiting block, 4-telescopic cylinder, 5-antislip strip, 6-bolt slot, 7-positioning column slot, 8-telescopic rod, 9-upper die, 10-lower die fixing base, 11-positioning column, 12-lower die, 13-locking device, 14-limiting block fixing slot, 15-fixing thread strip, 16-bolt fixing slot and 17-telescopic rod mounting slot.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a novel EVA foams post forming machine's quick retooling device, includes mould fixed baseplate 1, bed die fixed baseplate 10 and locking device 13, its characterized in that: two groups of locking devices 13 are respectively arranged at the lower end of an upper die fixing base 1 and the two sides of the upper end of a lower die fixing base 10, each locking device 13 comprises a bolt 2, an anti-slip strip 5 and a bolt groove 6, a plurality of groups of anti-slip strips 5 are arranged at equal intervals at the bottom of the bolt groove 6, a bolt 2 is arranged in the bolt groove 6, an upper die 9 is fixedly arranged at the middle of the lower end of the upper die fixing base 1, three groups of positioning column grooves 7 are arranged at the lower end of the upper die 9 close to a base surface and a back surface at equal intervals, a lower die 12 is fixedly arranged at the middle of the upper end of the lower die fixing base 10, three groups of positioning columns 11 are arranged at the upper end of the lower die 12 close to the base surface and the back surface at equal intervals, fixing thread strips 15 are arranged at the lower ends of the positioning columns 11, the positioning columns 11 and the lower die 12 are in threaded connection through the fixing thread strips 15, three groups of limiting blocks 3 are arranged at equal intervals at the lower end of the upper die fixing base 1 and the upper end of the lower die fixing base 10 close to the base surface and the back surface of the upper die 9 and the lower die 12, three groups of stopper fixing grooves 14 are formed at the upper end of an upper die 9 and the lower end of a lower die 12 at equal intervals, the upper die 9, the lower die 12, an upper die fixing base 1 and the lower die fixing base 10 are connected with each other through the stopper fixing grooves 14 and the stoppers 3 in a sleeved manner, telescopic rod mounting grooves 17 are formed in the centers of the upper end of the upper die 9 and the lower end of the lower die 12, telescopic rods 8 are fixedly mounted inside the telescopic rod mounting grooves 17, telescopic cylinders 4 are fixedly mounted at one ends of the telescopic rods 8 penetrating through the upper die fixing base 1 and the lower die fixing base 10, the upper die 9, the lower die 12 and the telescopic cylinders 4 are in threaded connection through the telescopic rods 8, the type of the telescopic cylinder 4 is a SDA40 thin cylinder, the telescopic cylinder 4 is connected with the upper die fixing base 1 and the lower die fixing base 10 through bolts, two groups of bolt fixing grooves 16 are formed in the two sides of the upper die 9 and the lower die 12, the upper die 9, the lower die 12 and the locking device 13 are connected with the bolt 2 in a plugging way through a bolt fixing groove 16.

The utility model discloses work flow: firstly, when an upper die 9 and a lower die 12 are installed, the upper die 9, the lower die 12 and an expansion link 8 are screwed and installed, the expansion link 8 is contracted into an upper die fixing base 1 and a lower die fixing base 10 and tightly clamps a limiting block 3, then a bolt 2 is tightly inserted, through an arranged locking device 13, the traditional die is inconvenient to replace due to the fact that the traditional die is fixed by bolts, the locking device 13 can effectively fix the upper die 9 and the lower die 12 in the upper die fixing base 1 and the lower die fixing base 10, the use of bolts is reduced, when the upper die 9 and the lower die 12 need to be replaced, the bolt 2 can be directly opened, the telescopic cylinder 4 and the expansion link 8 are matched to move, the use of the bolts is avoided, the replacement efficiency is effectively improved, and the rapid die replacement is convenient, through the arranged positioning column groove 7, the positioning column 11, the limiting block 3 and the limiting block fixing groove 14, when the upper die 9 and the lower die 12 are replaced, the positioning accuracy of the upper die 9 and the lower die 12 during installation needs to be ensured, the design of the limiting block 3 and the limiting block fixing groove 14 can improve the positioning accuracy of the upper die 9 and the lower die 12 during installation, the design of the positioning column groove 7 and the positioning column 11 is convenient for observing the pressing precision of the upper die 9 and the lower die 12, the pressing precision of the dies is effectively improved, the upper die 9, the lower die 12 and the telescopic cylinder 4 are in threaded connection through the telescopic rod 8 through the telescopic cylinder 4 and the telescopic rod 8, when the locking device 13 is opened, the upper die 9 and the lower die 12 can be pushed out from the upper die fixing base 1 and the lower die fixing base 10 by controlling the extension motion of the telescopic rod 8 of the telescopic cylinder 4, so that an operator can conveniently screw the upper die 9 and the lower die 12 out from the telescopic rod 8, the safety of the replacement of the upper die 9 and the lower die 12 is improved, so that the replacement efficiency is improved, and the whole equipment is simple in structure, easy to operate and has certain popularization value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel EVA foams post forming machine's quick die change device, includes mould fixed baseplate (1), bed die fixed baseplate (10) and locking device (13), its characterized in that: two groups of locking devices (13) are arranged on the lower end of the upper die fixing base (1) and two sides of the upper end of the lower die fixing base (10), each locking device (13) comprises a bolt (2), an anti-slip strip (5) and a bolt groove (6), a plurality of groups of anti-slip strips (5) are arranged at the bottom of each bolt groove (6) at equal intervals, each bolt groove (6) is internally provided with a bolt (2), an upper die (9) is fixedly arranged in the middle of the lower end of the upper die fixing base (1), three groups of positioning column grooves (7) are arranged at the lower end of the upper die (9) close to the base plane and the back plane at equal intervals, a lower die (12) is fixedly arranged in the middle of the upper end of the lower die fixing base (10), three groups of positioning columns (11) are arranged at the upper end of the lower die (12) close to the base plane and the back plane at equal intervals, and fixing thread strips (15) are arranged at the lower ends of the positioning columns (11), go up base face and back department equidistant three stopper (3) that mould fixed baseplate (1) lower extreme and bed die fixed baseplate (10) upper end are close to mould (9) and bed die (12), go up mould (9) upper end and bed die (12) lower extreme and locate equidistant three stopper fixed slots (14) of having seted up near stopper (3), go up mould (9) upper end and bed die (12) lower extreme center department and all seted up telescopic link mounting groove (17), the inside equal fixed mounting of telescopic link mounting groove (17) has telescopic link (8), telescopic link (8) pass the equal fixed mounting of one end of mould fixed baseplate (1) and bed die fixed baseplate (10) have telescopic cylinder (4), go up mould (9) and bed die (12) both sides and all seted up two sets of bolt fixed slots (16).

2. The novel rapid die changing device of the EVA foaming secondary forming machine according to claim 1, characterized in that: go up mould (9), bed die (12) and go up mould fixed baseplate (1), the bed die fixed baseplate (10) between cup joint through stopper fixed slot (14) and stopper (3) and be connected.

3. The novel rapid die changing device of the EVA foaming secondary forming machine according to claim 1, characterized in that: the upper die (9), the lower die (12) and the locking device (13) are connected with the bolt (2) in a plugging manner through a bolt fixing groove (16).

4. The novel rapid die changing device of the EVA foaming secondary forming machine according to claim 1, characterized in that: the positioning column (11) is in screwed connection with the lower die (12) through a fixed thread strip (15).

5. The novel rapid die changing device of the EVA foaming secondary forming machine according to claim 1, characterized in that: the type of the telescopic cylinder (4) is an SDA40 thin cylinder, and the telescopic cylinder (4) is connected with the upper die fixing base (1) and the lower die fixing base (10) through bolts.

6. The novel rapid die changing device of the EVA foaming secondary forming machine according to claim 1, characterized in that: the upper die (9), the lower die (12) and the telescopic cylinder (4) are in threaded connection through a telescopic rod (8).